Blood pressure detection method and apparatus, and electronic device

Abstract

A blood pressure detection method and apparatus, and an electronic device. The method is applied to an electronic device which is a rollable-display electronic device including a housing assembly, a rollable-display, and a photoplethysmograph (PPG) sensor, and the PPG sensor is arranged on a frame of the housing assembly distributed along an unfolding direction of the rollable-display. The method includes: in a case that a target user holds an area in which the PPG sensor is located, outputting a target torsion force through a reel motor of the electronic device, where the target torsion force is used to drive the rollable-display to unfold (101); in a case that an unfolding length of the rollable-display is maintained in a target length range, obtaining a pulse wave signal detected by the PPG sensor (102); and generating a blood pressure detection result of the target user based on the pulse wave signal (103).

1 . A blood pressure detection method, applied to an electronic device, wherein the electronic device is a rollable-display electronic device comprising a housing assembly, a rollable-display, and a photoplethysmograph (PPG) sensor, the PPG sensor is arranged on a frame of the housing assembly distributed along an unfolding direction of the rollable-display, and the method comprises:
 in a case that a target user holds an area in which the PPG sensor is located, outputting a target torsion force through a reel motor of the electronic device, wherein the target torsion force is used to drive the rollable-display to unfold;   in a case that an unfolding length of the rollable-display is maintained in a target length range, obtaining a pulse wave signal detected by the PPG sensor; and   generating a blood pressure detection result of the target user based on the pulse wave signal.   
     
     
         2 . The method according to  claim 1 , wherein in a case that an unfolding length of the rollable-display is maintained in a target length range, the obtaining a pulse wave signal detected by the PPG sensor comprises:
 in a case that the unfolding length of the rollable-display is maintained in the target length range, and the unfolding length of the rollable-display is maintained in the target length range for duration exceeding a first preset time, obtaining a pulse wave signal detected by the PPG sensor in a time period corresponding to the first preset time.   
     
     
         3 . The method according to  claim 1 , wherein after the outputting a target torsion force through a reel motor of the electronic device, in a case that an unfolding length of the rollable-display is maintained in a target length range, before the obtaining a pulse wave signal detected by the PPG sensor, the method further comprises:
 detecting a change of the unfolding length of the rollable-display; and   in a case that the change of the unfolding length meets a preset condition, outputting prompt information, wherein the prompt information is used to remind the target user to adjust a holding force and maintain the unfolding length of the rollable-display in the target length range.   
     
     
         4 . The method according to  claim 3 , wherein the method further comprises:
 displaying blood pressure detection information on the rollable-display, wherein   the blood pressure detection information comprises at least one of the following:   a curve diagram of the target torsion force and the holding force of the target user;   a countdown diagram of maintaining the holding force by the target user;   a holding operation diagram; and   the prompt information.   
     
     
         5 . A blood pressure detection apparatus, applied to an electronic device, wherein the electronic device is a rollable-display electronic device comprising a housing assembly, a rollable-display, and a PPG sensor, the PPG sensor is arranged on a frame of the housing assembly distributed along an unfolding direction of the rollable-display, and the apparatus comprises:
 a first output module, configured to: in a case that a target user holds an area in which the PPG sensor is located, output a target torsion force through a reel motor of the electronic device, wherein the target torsion force is used to drive the rollable-display to unfold;   an obtaining module, configured to: in a case that an unfolding length of the rollable-display is maintained in a target length range, obtain a pulse wave signal detected by the PPG sensor; and   a generating module, configured to generate a blood pressure detection result of the target user based on the pulse wave signal.   
     
     
         6 . The apparatus according to  claim 5 , wherein the obtaining module is specifically configured to: in a case that the unfolding length of the rollable-display is maintained in the target length range, and the unfolding length of the rollable-display is maintained in the target length range for duration exceeding a first preset time, obtain a pulse wave signal detected by the PPG sensor in a time period corresponding to the first preset time. 
     
     
         7 . The apparatus according to  claim 5 , wherein the apparatus further comprises:
 a detecting module, configured to detect a change of the unfolding length of the rollable-display; and   a second output module, configured to: in a case that the change of the unfolding length meets a preset condition, output prompt information, wherein the prompt information is used to remind the target user to adjust a holding force and maintain the unfolding length of the rollable-display in the target length range.   
     
     
         8 . The apparatus according to  claim 7 , wherein the apparatus further comprises:
 a display module, configured to display blood pressure detection information on the rollable-display, wherein   the blood pressure detection information comprises at least one of the following:   a curve diagram of the target torsion force and the holding force of the target user;   a countdown diagram of maintaining the holding force by the target user;   a holding operation diagram; and   the prompt information.   
     
     
         9 . An electronic device, comprising a processor, a memory, a rollable-display, a reel motor and a photoplethysmograph (PPG) sensor, wherein the memory stores a program or an instruction that can be run on the processor, and the program or the instruction is executed by the processor to implement:
 in a case that a target user holds an area in which the PPG sensor is located, outputting a target torsion force through the reel motor, wherein the target torsion force is used to drive the rollable-display to unfold;   in a case that an unfolding length of the rollable-display is maintained in a target length range, obtaining a pulse wave signal detected by the PPG sensor; and   generating a blood pressure detection result of the target user based on the pulse wave signal.   
     
     
         10 . The electronic device according to  claim 9 , wherein in a case that an unfolding length of the rollable-display is maintained in a target length range, when obtaining a pulse wave signal detected by the PPG sensor, the program or the instruction is executed by the processor to implement:
 in a case that the unfolding length of the rollable-display is maintained in the target length range, and the unfolding length of the rollable-display is maintained in the target length range for duration exceeding a first preset time, obtaining a pulse wave signal detected by the PPG sensor in a time period corresponding to the first preset time.   
     
     
         11 . The electronic device according to  claim 9 , wherein after the outputting a target torsion force through a reel motor of the electronic device, in a case that an unfolding length of the rollable-display is maintained in a target length range, before the obtaining a pulse wave signal detected by the PPG sensor, the program or the instruction is executed by the processor to implement:
 detecting a change of the unfolding length of the rollable-display; and   in a case that the change of the unfolding length meets a preset condition, outputting prompt information, wherein the prompt information is used to remind the target user to adjust a holding force and maintain the unfolding length of the rollable-display in the target length range.   
     
     
         12 . The electronic device according to  claim 11 , wherein the program or the instruction is executed by the processor to implement:
 displaying blood pressure detection information on the rollable-display, wherein   the blood pressure detection information comprises at least one of the following:   a curve diagram of the target torsion force and the holding force of the target user,   a countdown diagram of maintaining the holding force by the target user,   a holding operation diagram; and   the prompt information.   
     
     
         13 . A readable storage medium, wherein the readable storage medium stores a program or an instruction, and when the program or the instruction is executed by a processor, steps of the blood pressure detection method according to  claim 1  are implemented.